In addition to our general Crystal Cautions page, we would also like to provide this information about
crystals that may dissolve, crack, develop rust, or be otherwise damaged when exposed to water or other
liquids. This list is not all-inclusive and many crystals not listed here may crack if exposed to hot water.

Calcite (will dissolve)

Carnelian (salt water can cause fractures)

Galena (will rust)

Halite (will dissolve)

Hematite (can rust)

Labradorite (will dissolve)

Lepidolite (will flake apart)

Lodestone (will rust)

Malachite (can break in hot water)

Mica (will flake apart)

Moldavite (can break in hot water)

Muscovite (will flake apart)

Opals (can crack/ break)

Pearls (will lose luster and can break)

Pyrite (combined with water produces sulfuric acid)

Selenite (will dissolve)

Turquoise (will fade)

Obsidian (all forms can break from extreme liquid temperatures)

Ulexite ( will dissolve)

Posted on October 29, 2013

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